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The Importance of Upgrades in World of Warcraft Upgrades are a brand new type of item that gives an increase in your stats. These can be used to upgrade armor, trinkets and weapons. To calculate probabilities, upgrades use a "upgrade pity". This system is meant to limit the chances of losing and provide a good safety net while upgrading. Armor The allows players to upgrade the level of their equipment for their trinkets, armor and weapons. The upgrade is applied to the gear when y